Fix html syntax

stijnvanhoey · stijnvanhoey · commit 0beec161baa8 · 2020-10-04T17:32:40.000+02:00
diff --git a/_solved/13-xarray.ipynb b/_solved/13-xarray.ipynb
@@ -7752,7 +7752,9 @@
     "    \n",
     "Degrees Kelvin = degrees celsius + 273.\n",
     "   \n",
-    "<details><summary>Hints</summary>\n",
+    "<details>\n",
+    "    \n",
+    "<summary>Hints</summary>\n",
     "\n",
     "* Remember that xarray works as Numpy and relies on the same broadcasting rules.\n",
     "\n",
